Superior gemellus muscle
|Superior gemellus muscle|
The superior gemellus and nearby muscles
Muscles of the gluteal and posterior femoral regions. Gemellus superior muscle labeled
|Latin||Musculus gemellus superior|
|Origin||spine of the ischium|
|Insertion||Obturator Internus tendon|
|Artery||Inferior gluteal artery|
|Nerve||nerve to obturator internus (L5, S1, S2)|
|Actions||Rotates laterally thigh|
|Anatomical terms of muscle|
The Gemellus superior, the smaller of the two, arises from the outer surface of the spine of the ischium, blends with the upper part of the tendon of the Obturator internus, and is inserted with it into the medial surface of the greater trochanter.
Etymology: Gemellus is the diminutive of "geminus" meaning twin, doubled or duplicated. The superior and inferior Gemellus muscles are paired and perform the same action.
- Origin, insertion and nerve supply of the muscle at Loyola University Chicago Stritch School of Medicine
- Anatomy photo:13:st-0402 at the SUNY Downstate Medical Center
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